432678 has 16 divisors (see below), whose sum is σ = 889200. Its totient is φ = 140256.

The previous prime is 432661. The next prime is 432713. The reversal of 432678 is 876234.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

432678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (55575).

2⁴³²⁶⁷⁸ is an apocalyptic number.

432678 is an abundant number, since it is smaller than the sum of its proper divisors (456522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

432678 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 432678 = (728463)₉.

432678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its digits is 8064, while the sum is 30.

The square root of 432678 is about 657.7826388709. The cubic root of 432678 is about 75.6347898443.

Subtracting 432678 from its reverse (876234), we obtain a square (443556 = 666²).

The spelling of 432678 in words is "four hundred thirty-two thousand, six hundred seventy-eight".